Length: 63-73cm
Wingspan: Male –
191cm, Female – 237cm
Weight: Male –
1.99-2.5kg, Female – 3.17-3.63kg
Field Recognition – In flight the conspicuous white head,
short white tail, broad wings with dark feathers and chestnut underwing coverts
are characteristic. The sexes are alike, but females are 10-15% larger than
males.
Behaviour – Pairs are highly territorial. They are mostly
found in groups of either parents and their young or immature and sub-adults.
The loud ringing call, that of the male is higher pitched than the female.
Feeding – They glide down towards a surface-feeding fish,
grabbing and lifting it from the water. They also are known to feed on various
small animals.
Breeding season – March to September, peaking June to
August.
Nest – Large platform of sticks lined with grass, papyrus
heads and some green leaves. Usally up in trees or sometimes on cliffs.
Eggs – 1-3 eggs, usually 2.
Incubation – 42-44 days 45 by both sexes.
Nesting – 70-75 days, fed by the female on prey brought by
the male.
Habitat – Large bodies of fresh water.
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